|
| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "code", |
| 5 | + "execution_count": 1, |
| 6 | + "metadata": { |
| 7 | + "scrolled": false |
| 8 | + }, |
| 9 | + "outputs": [ |
| 10 | + { |
| 11 | + "name": "stdout", |
| 12 | + "output_type": "stream", |
| 13 | + "text": [ |
| 14 | + "Obtaining file:///Users/adam/Projects/notebook_xterm\n", |
| 15 | + "Requirement already satisfied: future in /Users/adam/anaconda3/lib/python3.6/site-packages (from notebook-xterm==0.2.0)\n", |
| 16 | + "Installing collected packages: notebook-xterm\n", |
| 17 | + " Found existing installation: notebook-xterm 0.1.2\n", |
| 18 | + " Uninstalling notebook-xterm-0.1.2:\n", |
| 19 | + " Successfully uninstalled notebook-xterm-0.1.2\n", |
| 20 | + " Running setup.py develop for notebook-xterm\n", |
| 21 | + "Successfully installed notebook-xterm\n" |
| 22 | + ] |
| 23 | + } |
| 24 | + ], |
| 25 | + "source": [ |
| 26 | + "!pip install -e ../ " |
| 27 | + ] |
| 28 | + }, |
| 29 | + { |
| 30 | + "cell_type": "code", |
| 31 | + "execution_count": 2, |
| 32 | + "metadata": {}, |
| 33 | + "outputs": [ |
| 34 | + { |
| 35 | + "data": { |
| 36 | + "text/html": [ |
| 37 | + "\n", |
| 38 | + " <div id=\"notebook_xterm\"></div>\n", |
| 39 | + " <script>var MAX_POLL_INTERVAL = 1500;\n", |
| 40 | + "var MIN_POLL_INTERVAL = 100;\n", |
| 41 | + "var BACKOFF_RATE = 1.8;\n", |
| 42 | + "var PY_XTERM_INSTANCE = 'get_ipython().find_magic(\"xterm\").__self__';\n", |
| 43 | + "var PY_TERMINAL_SERVER = PY_XTERM_INSTANCE + '.getTerminalServer()';\n", |
| 44 | + "function TerminalClient(elem) {\n", |
| 45 | + " this.closed = false;\n", |
| 46 | + " // require xterm.js\n", |
| 47 | + " require.config({\n", |
| 48 | + " paths: {\n", |
| 49 | + " xterm: '//cdnjs.cloudflare.com/ajax/libs/xterm/2.9.2/xterm.min'\n", |
| 50 | + " }\n", |
| 51 | + " });\n", |
| 52 | + "\n", |
| 53 | + " require(['xterm'], function(Terminal) {\n", |
| 54 | + " var termArea = this.create_ui(elem);\n", |
| 55 | + " this.term = new Terminal({\n", |
| 56 | + " rows: 25,\n", |
| 57 | + " cols: 100\n", |
| 58 | + " });\n", |
| 59 | + " this.term.open(termArea[0]);\n", |
| 60 | + "\n", |
| 61 | + " this.term.on('data', function(data) {\n", |
| 62 | + " this.handle_transmit(data);\n", |
| 63 | + " }.bind(this));\n", |
| 64 | + "\n", |
| 65 | + " this.term.on('resize', function() {\n", |
| 66 | + " this.handle_resize()\n", |
| 67 | + " }.bind(this));\n", |
| 68 | + "\n", |
| 69 | + " // set title\n", |
| 70 | + " this.term.on('title', function(title) {\n", |
| 71 | + " this.handle_title(title);\n", |
| 72 | + " }.bind(this));\n", |
| 73 | + "\n", |
| 74 | + " this.termArea.on('remove', function(ev) {\n", |
| 75 | + " this.close();\n", |
| 76 | + " }.bind(this))\n", |
| 77 | + "\n", |
| 78 | + " // set the initial size correctly\n", |
| 79 | + " this.handle_resize();\n", |
| 80 | + "\n", |
| 81 | + " // reset the terminal\n", |
| 82 | + " this.server_exec(PY_TERMINAL_SERVER + '.transmit(b\"' + btoa('\\r\\nreset\\r\\nclear\\r') + '\")');\n", |
| 83 | + "\n", |
| 84 | + " // start polling\n", |
| 85 | + " this.curPollInterval = MIN_POLL_INTERVAL;\n", |
| 86 | + " this.poll_server();\n", |
| 87 | + " console.log('Starting notebook_xterm.');\n", |
| 88 | + "\n", |
| 89 | + " }.bind(this));\n", |
| 90 | + "}\n", |
| 91 | + "\n", |
| 92 | + "TerminalClient.prototype.create_ui = function(elem) {\n", |
| 93 | + " var INITIAL_TITLE = 'notebook_xterm'\n", |
| 94 | + " // add xterm stylesheet for formatting\n", |
| 95 | + " var xtermCssUrl = 'https://cdnjs.cloudflare.com/ajax/libs/xterm/2.9.2/xterm.min.css'\n", |
| 96 | + " $('<link/>', {rel: 'stylesheet', href: xtermCssUrl}).appendTo('head');\n", |
| 97 | + "\n", |
| 98 | + " this.wrap = $('<div>').appendTo(elem);\n", |
| 99 | + " this.wrap.css({\n", |
| 100 | + " padding: 10,\n", |
| 101 | + " margin: 10,\n", |
| 102 | + " marginTop: 5,\n", |
| 103 | + " backgroundColor: 'black',\n", |
| 104 | + " borderRadius: 5\n", |
| 105 | + " });\n", |
| 106 | + " this.titleBar = $('<div>').appendTo(this.wrap);\n", |
| 107 | + " this.titleBar.css({\n", |
| 108 | + " color: '#AAA',\n", |
| 109 | + " margin: -10,\n", |
| 110 | + " marginBottom: 5,\n", |
| 111 | + " padding: 10,\n", |
| 112 | + " overflow: 'hidden',\n", |
| 113 | + " borderBottom: '1px solid #AAA'\n", |
| 114 | + " })\n", |
| 115 | + " this.titleText = $('<div>').html(INITIAL_TITLE).css({float: 'left'}).appendTo(this.titleBar);\n", |
| 116 | + " this.comIndicator = $('<div>').html('·').css({float: 'left', marginLeft: 10}).hide().appendTo(this.titleBar);\n", |
| 117 | + " this.termArea = $('<div>').appendTo(this.wrap);\n", |
| 118 | + " return this.termArea;\n", |
| 119 | + "}\n", |
| 120 | + "\n", |
| 121 | + "TerminalClient.prototype.update_com_indicator = function() {\n", |
| 122 | + " this.comIndicator.show().fadeOut(400);\n", |
| 123 | + "}\n", |
| 124 | + "\n", |
| 125 | + "TerminalClient.prototype.server_exec = function(cmd) {\n", |
| 126 | + " if (this.closed) {\n", |
| 127 | + " return;\n", |
| 128 | + " }\n", |
| 129 | + "\n", |
| 130 | + " Jupyter.notebook.kernel.execute(cmd, {\n", |
| 131 | + " iopub: {\n", |
| 132 | + " output: function(data) {\n", |
| 133 | + " this.receive_data_callback(data)\n", |
| 134 | + " }.bind(this)\n", |
| 135 | + " }\n", |
| 136 | + " });\n", |
| 137 | + " // this.update_com_indicator();\n", |
| 138 | + "}\n", |
| 139 | + "\n", |
| 140 | + "TerminalClient.prototype.poll_server = function() {\n", |
| 141 | + " if (this.closed) {\n", |
| 142 | + " return;\n", |
| 143 | + " }\n", |
| 144 | + "\n", |
| 145 | + " this.server_exec(PY_TERMINAL_SERVER + '.receive()');\n", |
| 146 | + " clearTimeout(this.termPollTimer);\n", |
| 147 | + " this.termPollTimer = setTimeout(function() {\n", |
| 148 | + " this.poll_server();\n", |
| 149 | + " }.bind(this), this.curPollInterval);\n", |
| 150 | + " // gradually back off the polling interval\n", |
| 151 | + " this.curPollInterval = Math.min(this.curPollInterval*BACKOFF_RATE, MAX_POLL_INTERVAL);\n", |
| 152 | + "\n", |
| 153 | + " this.check_for_close();\n", |
| 154 | + "}\n", |
| 155 | + "TerminalClient.prototype.receive_data_callback = function(data) {\n", |
| 156 | + " if (this.closed) {\n", |
| 157 | + " return;\n", |
| 158 | + " }\n", |
| 159 | + "\n", |
| 160 | + " try {\n", |
| 161 | + " var decoded = atob(data.content.text);\n", |
| 162 | + " this.term.write(decoded);\n", |
| 163 | + " }\n", |
| 164 | + " catch(e) {\n", |
| 165 | + " var message = \"\\u001b[31;1m~~~ notebook_xterm error ~~~\\u001b[0m\\r\\n\"\n", |
| 166 | + " if (data.content.ename && data.content.evalue) {\n", |
| 167 | + " message += data.content.ename + \": \" + data.content.evalue + \"\\r\\n\";\n", |
| 168 | + " data.content.traceback.map(function(row){\n", |
| 169 | + " row = row.replace('\\n', '\\r\\n')\n", |
| 170 | + " message += row + '\\r\\n';\n", |
| 171 | + " });\n", |
| 172 | + " } else {\n", |
| 173 | + " message += \"See browser console for more details.\\r\\n\";\n", |
| 174 | + " }\n", |
| 175 | + " console.log(data.content);\n", |
| 176 | + " this.handle_title('error');\n", |
| 177 | + " this.term.write(message);\n", |
| 178 | + " this.close();\n", |
| 179 | + " }\n", |
| 180 | + "\n", |
| 181 | + "}\n", |
| 182 | + "TerminalClient.prototype.handle_transmit = function(data) {\n", |
| 183 | + " // we've had interaction, so reset the timer for the next poll\n", |
| 184 | + " // to minPollInterval\n", |
| 185 | + " this.curPollInterval = MIN_POLL_INTERVAL;\n", |
| 186 | + "\n", |
| 187 | + " // transmit data to the server, but b64 encode it\n", |
| 188 | + " this.server_exec(PY_TERMINAL_SERVER + '.transmit(b\"' + btoa(data) + '\")');\n", |
| 189 | + "}\n", |
| 190 | + "\n", |
| 191 | + "TerminalClient.prototype.handle_resize = function() {\n", |
| 192 | + " this.server_exec(PY_TERMINAL_SERVER + '.update_window_size('+ this.term.rows + ', '+ this.term.cols + ')');\n", |
| 193 | + "}\n", |
| 194 | + "\n", |
| 195 | + "TerminalClient.prototype.handle_title = function(title) {\n", |
| 196 | + " this.titleText.html(title);\n", |
| 197 | + "}\n", |
| 198 | + "TerminalClient.prototype.check_for_close = function() {\n", |
| 199 | + " if (!this.termArea.length) {\n", |
| 200 | + " this.close();\n", |
| 201 | + " }\n", |
| 202 | + "}\n", |
| 203 | + "TerminalClient.prototype.close = function() {\n", |
| 204 | + " if (this.closed) {\n", |
| 205 | + " return;\n", |
| 206 | + " }\n", |
| 207 | + " console.log('Closing notebook_xterm.');\n", |
| 208 | + " clearTimeout(this.termPollTimer);\n", |
| 209 | + " this.server_exec(PY_XTERM_INSTANCE + '.deleteTerminalServer()');\n", |
| 210 | + " this.closed = true;\n", |
| 211 | + "}\n", |
| 212 | + "// create the TerminalClient instance (only once!)\n", |
| 213 | + "if (window.terminalClient) {\n", |
| 214 | + " delete window.terminalClient;\n", |
| 215 | + "}\n", |
| 216 | + "window.terminalClient = new TerminalClient($('#notebook_xterm'))\n", |
| 217 | + "</script>\n", |
| 218 | + " " |
| 219 | + ], |
| 220 | + "text/plain": [ |
| 221 | + "<IPython.core.display.HTML object>" |
| 222 | + ] |
| 223 | + }, |
| 224 | + "metadata": {}, |
| 225 | + "output_type": "display_data" |
| 226 | + } |
| 227 | + ], |
| 228 | + "source": [ |
| 229 | + "%load_ext notebook_xterm\n", |
| 230 | + "%xterm" |
| 231 | + ] |
| 232 | + } |
| 233 | + ], |
| 234 | + "metadata": { |
| 235 | + "kernelspec": { |
| 236 | + "display_name": "Python 2", |
| 237 | + "language": "python", |
| 238 | + "name": "python2" |
| 239 | + }, |
| 240 | + "language_info": { |
| 241 | + "codemirror_mode": { |
| 242 | + "name": "ipython", |
| 243 | + "version": 2 |
| 244 | + }, |
| 245 | + "file_extension": ".py", |
| 246 | + "mimetype": "text/x-python", |
| 247 | + "name": "python", |
| 248 | + "nbconvert_exporter": "python", |
| 249 | + "pygments_lexer": "ipython2", |
| 250 | + "version": "2.7.14" |
| 251 | + } |
| 252 | + }, |
| 253 | + "nbformat": 4, |
| 254 | + "nbformat_minor": 2 |
| 255 | +} |
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